//
//  UIButton+timeCountDown.m
//  AppointmentForCar
//
//  Created by Herron on 2016/11/15.
//  Copyright © 2016年 Herron. All rights reserved.
//

#import "UIButton+timeCountDown.h"

@implementation UIButton (timeCountDown)

- (void)timeCountDown
{
    __block int timeout = 59; //倒计时时间
    dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
    dispatch_source_t _timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0,queue);
    dispatch_source_set_timer(_timer,dispatch_walltime(NULL, 0),1.0*NSEC_PER_SEC, 0); //每秒执行
    dispatch_source_set_event_handler(_timer, ^{
        if(timeout <= 0){ //倒计时结束，关闭
            dispatch_source_cancel(_timer);
            dispatch_async(dispatch_get_main_queue(), ^{
                //设置界面的按钮显示 根据自己需求设置
                self.userInteractionEnabled = YES;
                [self setTitle:@"获取验证码" forState:UIControlStateNormal];
                [self setTitleColor:kColorSystem forState:UIControlStateNormal];
                
            });
        }else{
            int seconds = timeout % 60;
            NSString *strTime = [NSString stringWithFormat:@"%d秒后重发", seconds];
            dispatch_async(dispatch_get_main_queue(), ^{
                //设置界面的按钮显示 根据自己需求设置
                self.userInteractionEnabled = NO;
                [self setTitle:strTime forState:UIControlStateNormal];
                [self setTitleColor:kColorFontGray forState:UIControlStateNormal];
            });
            timeout--;
        }
    });
    dispatch_resume(_timer);
}

@end
